234.The salary of an engineer is much higher().

83.请选出读音不同的选项。()。

238.I am used()my sleep interrupted.

116.A doctor, together with two nurses,()sent to the mountain village.

176.Water always()steam when boiled.

94.Who is that man,()in the front row?

233.-- Where do you think()he()the computer? --- Sorry.I have no idea.

21.Teachers are some of the most important professionals in the world. They are responsible___21___preparing future generations to become productive and honest citizens, who will___22___to society for the whole of their adult life.Obviously, the most common reason___23___teachers decide to teach is the ability to make a difference. There are many professions that give people the ability to have a( )___24___impact on the world and change people’s lives,___25___few professions have a direct impact on___26___a better society as teachers do. People tend to___27___their teachers for years after they finish school, for good teachers can___28___their students to become something that they___29___thought they could be, or to work___30___a field that they thought they did not___31___.Teachers are also important because they provide___32___for their students. In certain low-income areas___33___some students may not have both of their parents___34___, teachers can provide an important influence that helps their students make the right___35___, even when they are not in the classroom. Generally, teachers’impact on students can last all through their life.以下选项21题答案为()。

212.I think he studies very hard,()?

182.请选出读音不同的选项。()。